Learn why there is not a solar eclipse every month
A brief overview of why solar eclipses are relatively uncommon events.
GSFC/NASA
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Encyclopædia Britannica, Inc.Video overview of the possible causes of the megalodon's extinction.
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Encyclopædia Britannica, Inc.Sometimes science is about playing in the sandbox.
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Encyclopædia Britannica, Inc.Let's ask the Loon Ranger.Media Editors: Michele Metych , Lauren Sims
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Encyclopædia Britannica, Inc.Watch as a shadow slowly crosses the Earth.
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© MinutePhysics (A Britannica Publishing Partner)Learn how the solar system, which formed from a roughly spherical cloud, became flat.
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Encyclopædia Britannica, Inc.A solar eclipse is a celestial phenomenon occurring when the Moon appears to block out the Sun.
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Encyclopædia Britannica, Inc.An overview of spatial relationships between the Sun, the Moon, and Earth during eclipses of the Sun and the Moon.
News •
Stunning solar eclipse photos reveal giant hole and mysterious 'smoke rings' in the sun's atmosphere
• Oct. 29, 2026, 8:00 AM ET (Space)
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